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SC4808B-2MSTRT 数据表(PDF) 7 Page - Semtech Corporation

部件名 SC4808B-2MSTRT
功能描述  High Performance Dual Ended PWM Controller
PDF  28 Pages
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制造商  SEMTECH [Semtech Corporation]
网页  http://www.semtech.com
标志 SEMTECH - Semtech Corporation

SC4808B-2MSTRT 数据表(HTML) 7 Page - Semtech Corporation

Back Button SC4808B-2MSTRT Datasheet HTML 3Page - Semtech Corporation SC4808B-2MSTRT Datasheet HTML 4Page - Semtech Corporation SC4808B-2MSTRT Datasheet HTML 5Page - Semtech Corporation SC4808B-2MSTRT Datasheet HTML 6Page - Semtech Corporation SC4808B-2MSTRT Datasheet HTML 7Page - Semtech Corporation SC4808B-2MSTRT Datasheet HTML 8Page - Semtech Corporation SC4808B-2MSTRT Datasheet HTML 9Page - Semtech Corporation SC4808B-2MSTRT Datasheet HTML 10Page - Semtech Corporation SC4808B-2MSTRT Datasheet HTML 11Page - Semtech Corporation Next Button
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 2006 Semtech Corp.
www.semtech.com
SC4808B-2
POWER MANAGEMENT
4.200
4.250
4.300
4.350
4.400
4.450
4.500
-40
-25
-10
5
20
35
50
65
80
95
110
125
Ta (°C)
Vcc UVLO (Rising)
Vcc UVLO (Falling)
3.60
3.65
3.70
3.75
3.80
3.85
3.90
-40
-25
-10
5
20
35
50
65
80
95
110
125
Ta (°C)
Operating Iq, Vcc = 5V
Operating Iq, Vcc = 5.25V
SC4808B-2 Typical Characteristics
(SC4808B-2A)
Iq (start up) vs. Temperature
Iq (operating) vs. Temperature
Reference vs. Temperature
FB to CS Offset vs. Temperature
Current sense vs. Temperature
Vcc UVLO vs. Temperature
400
500
600
700
800
900
1000
1100
-40
-25
-10
5
20
35
50
65
80
95
110
125
Ta (°C)
Max Current Sense Signal
Over Current Signal
1.60
1.61
1.62
1.63
1.64
1.65
1.66
1.67
1.68
1.69
-40
-25
-10
5
20
35
50
65
80
95
110
125
Ta (°C)
FB to CS Offset
3.16
3.17
3.18
3.19
3.2
3.21
3.22
-40
-25
-10
5
20
35
50
65
80
95
110
125
Ta (°C)
Reference, Vcc = 5V
70.0
75.0
80.0
85.0
90.0
95.0
100.0
-40
-25
-10
5
20
35
50
65
80
95
110
125
Ta (°C)
Start up Iq, Vcc = 4V



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